Measurement E151M1376

Experiment:	EG4
Year:	2016	Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson:	Xiaochao Zheng
Reaction:	ep → π⁺n
Polarization:	beam (longitudinal), target (longitudinal)
Quantity:	A_LL
ε_L:	0.0537
Q²:	0.0291 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.6928

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.25	42.0	-0.7299	0.8318	0.0876
0.25	54.0	1.0202	0.9476	0.1189
0.35	30.0	1.0042	1.0086	0.1172
0.35	42.0	1.1763	0.7028	0.136
0.35	54.0	-0.888	0.7229	0.1045
0.35	66.0	0.8489	1.0415	0.1003
0.45	30.0	0.9729	0.7989	0.1138
0.45	42.0	0.4279	0.6629	0.0568
0.45	54.0	-1.0154	0.6297	0.1184
0.45	234.0	1.1564	0.9297	0.1338
0.45	246.0	1.0306	0.7167	0.12
0.45	258.0	-0.5546	0.894	0.0694
0.55	30.0	-0.2271	0.9077	0.0394
0.55	42.0	0.5507	0.6873	0.069
0.55	54.0	-1.2113	0.6988	0.1399
0.55	150.0	-0.6659	0.9255	0.0809
0.55	222.0	-0.7224	0.6918	0.0868
0.55	234.0	-0.2216	0.6815	0.039
0.55	246.0	0.2987	0.5821	0.0451
0.55	258.0	-0.3748	0.6664	0.0518
0.65	138.0	1.8941	0.7914	0.2157
0.65	150.0	-0.2463	0.7851	0.0409
0.65	162.0	-0.256	0.7936	0.0416
0.65	174.0	-0.1182	0.893	0.0328
0.65	186.0	-0.7905	0.873	0.0941
0.65	210.0	-0.1366	0.7927	0.0337
0.65	222.0	-0.3185	0.6142	0.0468
0.65	234.0	-0.4973	0.5384	0.0636
0.65	246.0	0.5183	0.5008	0.0657
0.65	258.0	-0.418	0.6181	0.0559
0.65	270.0	-1.0787	0.7019	0.1253
0.75	138.0	0.0603	0.772	0.0308
0.75	150.0	0.2549	0.8255	0.0416
0.75	162.0	-0.5299	0.7864	0.0669
0.75	174.0	-0.3991	0.8314	0.0541
0.75	186.0	1.3953	0.8598	0.1602
0.75	222.0	-0.3052	0.676	0.0457
0.75	234.0	-0.5781	0.4961	0.0718
0.75	246.0	-0.0697	0.5162	0.031
0.75	258.0	0.6412	0.5659	0.0783
0.75	270.0	-0.5898	0.8474	0.073
0.85	138.0	0.0364	0.9421	0.0303
0.85	222.0	1.3973	0.656	0.1604
0.85	234.0	-0.2316	0.5813	0.0398
0.85	246.0	0.1876	0.4746	0.0367
0.85	258.0	0.2746	0.5293	0.0431
0.85	270.0	-0.0202	0.7436	0.0301
0.95	258.0	0.0047	0.7072	0.03

CLAS Physics Database